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t_sigqueue.c revision 1.2 
      1 /* $NetBSD: t_sigqueue.c,v 1.2 2011/01/10 05:15:00 christos Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christos Zoulas.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 __RCSID("$NetBSD: t_sigqueue.c,v 1.2 2011/01/10 05:15:00 christos Exp $");
     41 
     42 #include <signal.h>
     43 #include <unistd.h>
     44 #include <stdlib.h>
     45 #include <sched.h>
     46 #include <err.h>
     47 
     48 #include <atf-c.h>
     49 
     50 ATF_TC(sigqueue);
     51 ATF_TC_HEAD(sigqueue, tc)
     52 {
     53 	atf_tc_set_md_var(tc, "descr", "Checks sigqueue sigval delivery");
     54 }
     55 
     56 #define VALUE (int)0xc001dad1
     57 static int value;
     58 
     59 static void
     60 /*ARGSUSED*/
     61 handler(int signo, siginfo_t *info, void *data)
     62 {
     63 	value = info->si_value.sival_int;
     64 	kill(0, SIGINFO);
     65 }
     66 
     67 ATF_TC_BODY(sigqueue, tc)
     68 {
     69 	struct sigaction sa;
     70 	union sigval sv;
     71 
     72 	sa.sa_sigaction = handler;
     73 	sigemptyset(&sa.sa_mask);
     74 	sa.sa_flags = SA_SIGINFO;
     75 
     76 	if (sigaction(SIGUSR1, &sa, NULL) == -1)
     77 		err(1, "sigaction");
     78 
     79 	sv.sival_int = VALUE;
     80 	if (sigqueue(0, SIGUSR1, sv) == -1)
     81 		err(1, "sigqueue");
     82 
     83 	sched_yield();
     84 	ATF_REQUIRE_EQ(sv.sival_int, value);
     85 }
     86 
     87 ATF_TP_ADD_TCS(tp)
     88 {
     89 	ATF_TP_ADD_TC(tp, sigqueue);
     90 
     91 	return atf_no_error();
     92 }
     93